1. Wetlands and Environmental Sustainability Laboratory, Division of Graduate Studies and Research, Tecnológico Nacional de México/Instituto Tecnológico Superior de Misantla, Misantla, , Mexico
2. Environmental Quality Research Center. Centro Universitario de la Ciénega, University of Guadalajara, Jalisco, Mexico
3. Postdoctoral position by CONACYT (Consejo Nacional de Ciencia y Tecnología), Tecnológico Nacional de México/Instituto Tecnológico Superior de Misantla, Misantla, Mexico